One of the questions I get asked most, other than what color of paint was used in the girls' room (Sherwin Williams Silver Spring, by the way) is how do I know about all the local festivals.
Here's a quick run down for those of you interested:
Tulsa People - I subscribe to their email list and get a weekend update each week. It has tons of great ideas of things to do.
I also pick up an issue of Tulsa Kids when I'm out and about. The back always has an event calendar so I make note of the things we may want to check out each month, handy-dandy.
There's also Do What. The fabulous Tasha Ball, of Tasha Does Tulsa, had her hand in this so you know you can find some good stuff. I tend to check the site on Friday to see if there's anything I've missed and might want to look into.
Lastly, I like TravelOK Festival and Events page. It's not just Tulsa-specific so if we're feeling like a drive, it's always good to know what's going on around Oklahoma.
Hope that helps! What sources do you guys like for event info?